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# frozen_string_literal: true
module Aws
module S3
module Encryption
# The default key provider is constructed with a single key
# that is used for both encryption and decryption, ignoring
# the possible per-object envelope encryption materials description.
# @api private
class DefaultKeyProvider
include KeyProvider
# @option options [required, OpenSSL::PKey::RSA, String] :encryption_key
# The master key to use for encrypting objects.
# @option options [String<JSON>] :materials_description ('{}')
# A description of the encryption key.
def initialize(options = {})
@encryption_materials = Materials.new(
key: options[:encryption_key],
description: options[:materials_description] || '{}'
)
end
# @return [Materials]
def encryption_materials
@encryption_materials
end
# @param [String<JSON>] materials_description
# @return Returns the key given in the constructor.
def key_for(materials_description)
@encryption_materials.key
end
end
end
end
end
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